Connect this to your car battery and install the kill switch in a hidden place. When someone starts your car, the circuit will detect a drop in voltage from the car's battery, used by the starter, and the circuit will wait approximately ten seconds, then it will trigger your 12v siren! Learn More

QKits has been selling Electronic Kits and modules since 1996, we also carry Weller soldering irons and tips as well as parts. We are also an Arduino, MG chemical, Hammond enclosures, Velleman electronic kits reseller.